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Hello...
when I''ve started to writing my engine, I made billboards implementation.
And without to read book or paper, I made them with a simple call:
D3DXMatrixRotationY(&matRotY, xxxx);
Now I''ve read that is a "must" make them with a direct view-matrix change...
It''s ok?
My method is fast as the direct wiev-matrix change?
I think that it is true... because in the end, I change billbard view-matrix...
What do you think?